Question

which responsibility was one of the original roles assigned to the federal government by the us constitution?
managing trade between states
ensuring equal rights for all citizens
providing public education
overseeing healthcare services

Explanation:

The US Constitution assigned the federal government the role of managing trade between states (interstate commerce). Ensuring equal rights, providing public education, and overseeing healthcare are not original federal responsibilities as per the Constitution's initial assignments (many of those are state or later - developed federal roles).

Answer:

A. managing trade between states